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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #import "ios/web_view/public/cwv_scroll_view.h" | |
6 | |
7 #import "ios/web/public/web_state/ui/crw_web_view_scroll_view_proxy.h" | |
8 #import "ios/web_view/internal/cwv_scroll_view_internal.h" | |
9 #import "ios/web_view/public/cwv_scroll_view_delegate.h" | |
10 | |
11 @interface CWVScrollView ()<CRWWebViewScrollViewProxyObserver> | |
12 @end | |
13 | |
14 @implementation CWVScrollView | |
15 | |
16 @synthesize delegate = _delegate; | |
17 @synthesize proxy = _proxy; | |
18 | |
19 - (void)setProxy:(CRWWebViewScrollViewProxy*)proxy { | |
20 if (_proxy) { | |
Eugene But (OOO till 7-30)
2017/04/26 19:11:31
There is no need for this check, calling a method
Hiroshi Ichikawa
2017/04/27 02:30:10
Done.
| |
21 [_proxy removeObserver:self]; | |
22 } | |
23 _proxy = proxy; | |
24 if (_proxy) { | |
25 [_proxy addObserver:self]; | |
Eugene But (OOO till 7-30)
2017/04/26 19:11:31
ditto
Hiroshi Ichikawa
2017/04/27 02:30:10
Done.
| |
26 } | |
27 } | |
28 | |
29 - (CGPoint)contentOffset { | |
30 return _proxy.contentOffset; | |
31 } | |
32 | |
33 - (void)setContentOffset:(CGPoint)contentOffset { | |
34 _proxy.contentOffset = contentOffset; | |
35 } | |
36 | |
37 - (CGRect)frame { | |
38 return _proxy.frame; | |
39 } | |
40 | |
41 - (CGRect)bounds { | |
42 return {_proxy.contentOffset, _proxy.frame.size}; | |
43 } | |
44 | |
45 - (CGSize)contentSize { | |
46 return _proxy.contentSize; | |
47 } | |
48 | |
49 - (BOOL)isDragging { | |
50 return _proxy.dragging; | |
51 } | |
52 | |
53 - (void)addGestureRecognizer:(UIGestureRecognizer*)gestureRecognizer { | |
54 [_proxy addGestureRecognizer:gestureRecognizer]; | |
55 } | |
56 | |
57 - (UIEdgeInsets)contentInset { | |
58 return _proxy.contentInset; | |
59 } | |
60 | |
61 - (void)setContentInset:(UIEdgeInsets)contentInset { | |
62 _proxy.contentInset = contentInset; | |
63 } | |
64 | |
65 #pragma mark - CRWWebViewScrollViewObserver | |
66 | |
67 - (void)webViewScrollViewWillBeginDragging: | |
68 (CRWWebViewScrollViewProxy*)webViewScrollViewProxy { | |
69 if ([_delegate | |
70 respondsToSelector:@selector(webViewScrollViewWillBeginDragging:)]) { | |
71 [_delegate scrollViewWillBeginDragging:self]; | |
72 } | |
73 } | |
74 - (void)webViewScrollViewWillEndDragging: | |
75 (CRWWebViewScrollViewProxy*)webViewScrollViewProxy | |
76 withVelocity:(CGPoint)velocity | |
77 targetContentOffset:(inout CGPoint*)targetContentOffset { | |
78 if ([_delegate respondsToSelector:@selector | |
Eugene But (OOO till 7-30)
2017/04/26 19:11:31
Do you want to create a local variable for selecto
Hiroshi Ichikawa
2017/04/27 02:30:10
Done.
| |
79 (webViewScrollViewWillEndDragging:withVelocity | |
80 :targetContentOffset:)]) { | |
81 [_delegate scrollViewWillEndDragging:self | |
82 withVelocity:velocity | |
83 targetContentOffset:targetContentOffset]; | |
84 } | |
85 } | |
86 | |
87 - (void)webViewScrollViewDidScroll: | |
88 (CRWWebViewScrollViewProxy*)webViewScrollViewProxy { | |
89 if ([_delegate respondsToSelector:@selector(scrollViewDidScroll:)]) { | |
90 [_delegate scrollViewDidScroll:self]; | |
91 } | |
92 } | |
93 | |
94 - (void)webViewScrollViewDidEndDecelerating: | |
95 (CRWWebViewScrollViewProxy*)webViewScrollViewProxy { | |
96 if ([_delegate | |
97 respondsToSelector:@selector(webViewScrollViewDidEndDecelerating:)]) { | |
Eugene But (OOO till 7-30)
2017/04/26 19:11:31
ditto
Hiroshi Ichikawa
2017/04/27 02:30:11
Done.
| |
98 [_delegate scrollViewDidEndDecelerating:self]; | |
99 } | |
100 } | |
101 | |
102 @end | |
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